**Operating System** | **Maximum Security Impact** | **Aggregate Severity Rating** | **Updates Replaced** |
**Windows Server 2003** | |||
Windows Server 2003 Service Pack 2[1] | Remote Code Execution | Critical | None |
Windows Server 2003 x64 Edition Service Pack 2[1] | Remote Code Execution | Critical | None |
Windows Server 2003 with SP2 for Itanium-based Systems[1] | Remote Code Execution | Critical | None |
**Windows Vista** | |||
[Windows Vista Service Pack 2](https://www.microsoft.com/download/details.aspx?familyid=ddf6f5df-113d-4e08-9422-d72f1bb3ea01) (3000483) | Remote Code Execution | Critical | 2536276 in [MS11-043](http://go.microsoft.com/fwlink/?linkid=215841) and 2839229 in [MS13-048](http://go.microsoft.com/fwlink/?linkid=301748) |
[Windows Vista x64 Edition Service Pack 2](https://www.microsoft.com/download/details.aspx?familyid=ab8a7a65-a0f6-4f79-99ed-4b4cfcbcadfd) (3000483) | Remote Code Execution | Critical | 2536276 in [MS11-043](http://go.microsoft.com/fwlink/?linkid=215841) and 2813170 in [MS13-031](http://go.microsoft.com/fwlink/?linkid=282388) |
**Windows Server 2008** | |||
[Windows Server 2008 for 32-bit Systems Service Pack 2](https://www.microsoft.com/download/details.aspx?familyid=a507236d-0ce1-4e8c-adbe-20186f2c1e1b) (3000483) | Remote Code Execution | Critical | 2536276 in [MS11-043](http://go.microsoft.com/fwlink/?linkid=215841) and 2839229 in [MS13-048](http://go.microsoft.com/fwlink/?linkid=301748) |
[Windows Server 2008 for x64-based Systems Service Pack 2](https://www.microsoft.com/download/details.aspx?familyid=5b009bb4-738d-42ce-9e35-5d4580b0ad25) (3000483) | Remote Code Execution | Critical | 2536276 in [MS11-043](http://go.microsoft.com/fwlink/?linkid=215841) and 2813170 in [MS13-031](http://go.microsoft.com/fwlink/?linkid=282388) |
[Windows Server 2008 for Itanium-based Systems Service Pack 2](https://www.microsoft.com/download/details.aspx?familyid=7c37a025-81ea-4360-bcde-65b39171202f) (3000483) | Remote Code Execution | Critical | 2536276 in [MS11-043](http://go.microsoft.com/fwlink/?linkid=215841) and 2813170 in [MS13-031](http://go.microsoft.com/fwlink/?linkid=282388) |
**Windows 7** | |||
[Windows 7 for 32-bit Systems Service Pack 1](https://www.microsoft.com/download/details.aspx?familyid=51090490-014f-41c4-a9e5-00765457737f) (3000483) | Remote Code Execution | Critical | 2536276 in [MS11-043](http://go.microsoft.com/fwlink/?linkid=215841) and 3023266 in [MS15-001](http://go.microsoft.com/fwlink/?linkid=522536) |
[Windows 7 for x64-based Systems Service Pack 1](https://www.microsoft.com/download/details.aspx?familyid=0f56004d-5870-4294-b630-2f984640e8c6) (3000483) | Remote Code Execution | Critical | 2536276 in [MS11-043](http://go.microsoft.com/fwlink/?linkid=215841) and 3023266 in [MS15-001](http://go.microsoft.com/fwlink/?linkid=522536) |
**Windows Server 2008 R2** | |||
[Windows Server 2008 R2 for x64-based Systems Service Pack 1](https://www.microsoft.com/download/details.aspx?familyid=b52b259b-5c72-46a9-8559-3d38c0c7a126) (3000483) | Remote Code Execution | Critical | 2536276 in [MS11-043](http://go.microsoft.com/fwlink/?linkid=215841) and 3023266 in [MS15-001](http://go.microsoft.com/fwlink/?linkid=522536) |
[Windows Server 2008 R2 for Itanium-based Systems Service Pack 1](https://www.microsoft.com/download/details.aspx?familyid=432b66df-a531-4280-9aaf-6ce696e2f696) (3000483) | Remote Code Execution | Critical | 2536276 in [MS11-043](http://go.microsoft.com/fwlink/?linkid=215841) and 3023266 in [MS15-001](http://go.microsoft.com/fwlink/?linkid=522536) |
**Windows 8 and Windows 8.1** | |||
[Windows 8 for 32-bit Systems](https://www.microsoft.com/download/details.aspx?familyid=54e7605b-a6b3-445f-9d43-ac3fa937bc47) (3000483) | Remote Code Execution | Critical | 3023266 in [MS15-001](http://go.microsoft.com/fwlink/?linkid=522536) |
[Windows 8 for x64-based Systems](https://www.microsoft.com/download/details.aspx?familyid=374c14fc-82cf-4cfa-94f0-695e99d7c423) (3000483) | Remote Code Execution | Critical | 3023266 in [MS15-001](http://go.microsoft.com/fwlink/?linkid=522536) |
[Windows 8.1 for 32-bit Systems](https://www.microsoft.com/download/details.aspx?familyid=29857dc6-8dec-41c1-afee-a898d602d3ef) (3000483) | Remote Code Execution | Critical | None |
[Windows 8.1 for x64-based Systems](https://www.microsoft.com/download/details.aspx?familyid=f0adfdbe-6056-4be1-8294-3b808c0a0e89) (3000483) | Remote Code Execution | Critical | None |
**Windows Server 2012 and Windows Server 2012 R2** | |||
[Windows Server 2012](https://www.microsoft.com/download/details.aspx?familyid=1e6052c8-77a2-4bfd-905f-50e86d6e5efa) (3000483) | Remote Code Execution | Critical | 3023266 in [MS15-001](http://go.microsoft.com/fwlink/?linkid=522536) |
[Windows Server 2012 R2](https://www.microsoft.com/download/details.aspx?familyid=48248922-d55a-43b7-a564-671d79127ac7) (3000483) | Remote Code Execution | Critical | None |
**Windows RT and Windows RT 8.1** | |||
Windows RT[2](3000483) | Remote Code Execution | Critical | 3023266 in [MS15-001](http://go.microsoft.com/fwlink/?linkid=522536) |
Windows RT 8.1[2](3000483) | Remote Code Execution | Critical | None |
**Server Core installation option** | |||
[Windows Server 2008 for 32-bit Systems Service Pack 2](https://www.microsoft.com/download/details.aspx?familyid=a507236d-0ce1-4e8c-adbe-20186f2c1e1b) (Server Core installation) (3000483) | Remote Code Execution | Critical | 2536276 in [MS11-043](http://go.microsoft.com/fwlink/?linkid=215841) and 2839229 in [MS13-048](http://go.microsoft.com/fwlink/?linkid=301748) |
[Windows Server 2008 for x64-based Systems Service Pack 2](https://www.microsoft.com/download/details.aspx?familyid=5b009bb4-738d-42ce-9e35-5d4580b0ad25) (Server Core installation) (3000483) | Remote Code Execution | Critical | 2536276 in [MS11-043](http://go.microsoft.com/fwlink/?linkid=215841) and 2813170 in [MS13-031](http://go.microsoft.com/fwlink/?linkid=282388) |
[Windows Server 2008 R2 for x64-based Systems Service Pack 1](https://www.microsoft.com/download/details.aspx?familyid=b52b259b-5c72-46a9-8559-3d38c0c7a126) (Server Core installation) (3000483) | Remote Code Execution | Critical | 2536276 in [MS11-043](http://go.microsoft.com/fwlink/?linkid=215841) and 3023266 in [MS15-001](http://go.microsoft.com/fwlink/?linkid=522536) |
[Windows Server 2012](https://www.microsoft.com/download/details.aspx?familyid=1e6052c8-77a2-4bfd-905f-50e86d6e5efa) (Server Core installation) (3000483) | Remote Code Execution | Critical | 3023266 in [MS15-001](http://go.microsoft.com/fwlink/?linkid=522536) |
[Windows Server 2012 R2](https://www.microsoft.com/download/details.aspx?familyid=48248922-d55a-43b7-a564-671d79127ac7) (Server Core installation) (3000483) | Remote Code Execution | Critical | None |
**Vulnerability Severity Rating and Maximum Security Impact by Affected Software** | ||
**Affected Software** | [**Group Policy Remote Code Execution Vulnerability - CVE-2015-0008**](http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2015-0008) | **Aggregate Severity Rating** |
**Windows Server 2003** | ||
Windows Server 2003 Service Pack 2 | **Critical** Remote Code Execution | **Critical** |
Windows Server 2003 x64 Edition Service Pack 2 | **Critical** Remote Code Execution | **Critical** |
Windows Server 2003 with SP2 for Itanium-based Systems | **Critical** Remote Code Execution | **Critical** |
**Windows Vista** | ||
Windows Vista Service Pack 2 (3000483) | **Critical** Remote Code Execution | **Critical** |
Windows Vista x64 Edition Service Pack 2 (3000483) | **Critical** Remote Code Execution | **Critical** |
**Windows Server 2008** | ||
Windows Server 2008 for 32-bit Systems Service Pack 2 (3000483) | **Critical** Remote Code Execution | **Critical** |
Windows Server 2008 for x64-based Systems Service Pack 2 (3000483) | **Critical** Remote Code Execution | **Critical** |
Windows Server 2008 for Itanium-based Systems Service Pack 2 (3000483) | **Critical** Remote Code Execution | **Critical** |
**Windows 7** | ||
Windows 7 for 32-bit Systems Service Pack 1 (3000483) | **Critical** Remote Code Execution | **Critical** |
Windows 7 for x64-based Systems Service Pack 1 (3000483) | **Critical** Remote Code Execution | **Critical** |
**Windows Server 2008 R2** | ||
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (3000483) | **Critical** Remote Code Execution | **Critical** |
Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 (3000483) | **Critical** Remote Code Execution | **Critical** |
**Windows 8 and Windows 8.1** | ||
Windows 8 for 32-bit Systems (3000483) | **Critical** Remote Code Execution | **Critical** |
Windows 8 for x64-based Systems (3000483) | **Critical** Remote Code Execution | **Critical** |
Windows 8.1 for 32-bit Systems (3000483) | **Critical** Remote Code Execution | **Critical** |
Windows 8.1 for x64-based Systems (3000483) | **Critical** Remote Code Execution | **Critical** |
**Windows Server 2012 and Windows Server 2012 R2** | ||
Windows Server 2012 (3000483) | **Critical** Remote Code Execution | **Critical** |
Windows Server 2012 R2 (3000483) | **Critical** Remote Code Execution | **Critical** |
**Windows RT and Windows RT 8.1** | ||
Windows RT (3000483) | **Critical** Remote Code Execution | **Critical** |
Windows RT 8.1 (3000483) | **Critical** Remote Code Execution | **Critical** |
**Server Core installation option** | ||
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) (3000483) | **Critical** Remote Code Execution | **Critical** |
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) (3000483) | **Critical** Remote Code Execution | **Critical** |
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (3000483) | **Critical** Remote Code Execution | **Critical** |
Windows Server 2012 (Server Core installation) (3000483) | **Critical** Remote Code Execution | **Critical** |
Windows Server 2012 R2 (Server Core installation) (3000483) | **Critical** Remote Code Execution | **Critical** |